talking about second life and its benefits for education. While controversial in its own light, when looked at different angles and different perspectives and used correctly, it can help students and can be used for education.
pros
cons
can virtually recreate a historical period
different interpretations can misrepresent the period being discussed
can let students be creative and use their imagination
age restricted but there are other options for k-12
lots of collaborative efforts with various institutes and educational facilities
Some controversy on virtual campuses and different interpretations
here is a synopsis on the topic.
Second life in Education
Second Life usage in education
The guru and main person fighting for it is Dr Sanchez PhD
Some controversy has resulted some places using an open source
My personal favorite is the use in language learning
Some example of a online virtual language school language school